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OPTIMALLY ECONOMIC DESIGN OF CEMENT
Comparative Cost Analysis
ques was worked out It was possible to achieve maximum reduction of 33
20 mm aggregate 20 per cent 28-day strength addition of 0.05 admixed admixture of 0.05 Aggregate—Cement ratio Bulk volume C. G. SWAMINATHAN cement by flyash CEMENT CONCRETE MIXES cement Mix cement ratio cement requirement cent by weight cent replacement cent sugar Central Road Research coarse aggregates coarse sand compressive strength continuously graded concrete cost of concrete costs of materials ddddddd Delhi design of concrete different mixes dodo Durability test effective economy Extra cement paste flyash Mix gap-gradation of aggregates given in Appendix Jamuna sand kg Wt kg/cm ment of sand micron OKHLA oo oo OV OO partial replacement pavement thickness plain cement concrete plasticising retarders pozzolana quantity of cement ratio of 80 replaced by flyash replacement of cement Road Research Institute sand by flyash Specific gravity sugar as admixture sugar by weight total aggregate Total cement paste voids water-cement ratio weight of cement